ID6000 Series Smart Code Reader User Manual
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Figure 3-8 Output Signal Connecting to NPN Device with Pull-Up Resistor
3.5 RS-232 Serial Port
The 9-pin male connector and 25-pin male connector are commonly used serial ports, as shown
below. You can refer to the table below for the specific pin name and function.
Figure 3-9 9-Pin Male Connector
Figure 3-10 25-Pin Male Connector
Table 3-1 RS-232 Interface Description
Serial Port Type
Pin No.
Name
Function
9-Pin Interface
2
RX
Receive data
3
TX
Send data
5
GND
Signal ground
25-Pin Interface
2
TX
Send data
3
RX
Receive data
7
GND
Signal ground
